#region Copyright

// The contents of this file are subject to the Mozilla Public License
//  Version 1.1 (the "License"); you may not use this file except in compliance
//  with the License. You may obtain a copy of the License at
//  
//  http://www.mozilla.org/MPL/
//  
//  Software distributed under the License is distributed on an "AS IS"
//  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
//  License for the specific language governing rights and limitations under 
//  the License.
//  
//  The Initial Developer of the Original Code is Robert Smyth.
//  Portions created by Robert Smyth are Copyright (C) 2008.
//  
//  All Rights Reserved.

#endregion

using System;
using NoeticTools.StateEngine.Logging;
using NoeticTools.StateEngine.States;


namespace NoeticTools.StateEngine.Actions
{
    public class ActionsFactory<TContext, TState, TStateEvent> : IActionsFactory<TContext, TState>
        where TContext : class
    {
        private readonly ICurrentState<TContext, TState, TStateEvent> currentState;
        private readonly IContextualLogManager logManager;
        private readonly IStateFactory<TContext> stateFactory;

        public ActionsFactory(ICurrentState<TContext, TState, TStateEvent> currentState,
                              IStateFactory<TContext> stateFactory, IContextualLogManager logManager)
        {
            this.currentState = currentState;
            this.stateFactory = stateFactory;
            this.logManager = logManager;
        }

        public IAction<TContext> CreateTransitionToStateAction(TState toState)
        {
            return new TransitionToStateAction<TContext, TState, TStateEvent>(toState, currentState,
                                                                              logManager);
        }

        public IAction<TContext> CreateInstantiateImplementerAction<TConcrete>()
            where TConcrete : TContext
        {
            return
                new InstantiateImplementerAction<TConcrete, TContext, TState, TStateEvent>(currentState,
                                                                                           stateFactory,
                                                                                           logManager);
        }

        public IAction<TContext> CreateExecuteAction<TStateInstance>(Action<TStateInstance> method)
            where TStateInstance : TContext
        {
            return
                new ExecuteAction<TContext, TState, TStateEvent, TStateInstance>(currentState, logManager, method);
        }
    }
}